What is epidural anesthesia? Baylor College of Medicine website. Available at: https://www.bcm.edu/healthcare/care-centers/anesthesiology/patient-information/epidural-analgesia. Updated August 2010. Accessed November 19, 2013.

What is regional anesthesia? Baylor College of Medicine website. Available at: https://www.bcm.edu/healthcare/care-centers/anesthesiology/patient-information/regional-anesthesia. Updated August 2010. Accessed November 19, 2013.